This K Type T26 Thermocouple with a Transition Joint is a molded on standard-plug. It is ungrounded and the probe length is 3”. The probe diameter is .125” (1/8”) with Inconel material. The transition features Stainless Steel with High Temperature Ceramic Potting (2800F). It includes a Stranded Fiberglass wire with a Stainless Steel Over braid on the 6” wire. The Connector max temp rating is 525F (274C). The wire and probe max temp ratings are 2150F (1175C).